19mm Flange Insert for MomCozy, Bluefair, S21, Bellababy, NCVI, and More Breast Pumps

About this item

• Durceler 2 Piece 19mm flange inserts to compatible with Momcozy S9 S10 S12 Pro / bluefair / BIOBOO / S18 S21 S23 Wearable Breast Pump / Medela / Spectra S1 S2 / TSRETE / FEISIKE / Rainyb / Bellababy MiniO / NCVI / kmaier / MomMed / NaNaLazy / NIRGU / Onlyeah / MomWills / Motif Luna / Amada MYA 24mm breast shields. It will reduce the 24mm shield nipple tunnel down to 19mm. Also compatible with Lansinoh / Freemie 25mm cups to reduce it down to 19mm.
• Seamless Compatibility For Optimal Milk Expression: Suitable for nipple diameter 16-18mm(after a pumping session), or measure the circumference of nipple base about 43.96 - 50.24mm before a pumping session.
• Great solution for small-nippled mothers using large breast shields, Proper nipple tunnel fit is essential for comfort and efficient milk output. It can be compatible with Spectra and Medela (Freestyle, Harmony, Sonata, and Swing-Maxi pumps) and other brands.
• REPLACEMENT GUIDANCE – Replace every 4-12 weeks, depending on duration and frequency of each pumping session. Durable, clear, and comfortable. BPA free, made of silicone material.
• Maintain compatibility with most handsfree bra. You can use most handsfree bra cups with they original 24/25mm detachable shields having this insert inside. During operation, you need to squeeze slightly to make the Insert fully fit with the shield to achieve the perfect effect.